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Copy of Tuesday (01/31) - Co-Dominance Exit Ticket (1/15/2025)

Sidst opdateret 20 days ago

4 Spørgsmål

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Spørgsmål 1

1.

In shorthorn cattle, color shows Co-Dominance. A red cow has the genotype RR. A white cow has the genotype WW. Heterozygous cattle are called Roan (red and white spotted) (RW).
Cross a red bull with a roan cow. What are the expected phenotypic outcomes?
Show a Punnett square to support your answer!!!

50% Red and 50% White

25% Red, 50% Roan, and 25% White

50% Red and 50% Roan

75% Red and 25% White

100% Red

Spørgsmål 2

2.

In shorthorn cattle, color shows Co-Dominance. A red cow has the genotype RR. A white cow has the genotype WW. Heterozygous cattle are called Roan (red and white spotted) (RW).
Cross a roan bull with a roan cow. What are the expected phenotypic outcomes?
Show a Punnett square to support your answer!!!

50% Red and 50% Roan

75% Red and 25% White

25% Red, 50% Roan, and 25% White

100% Roan

50% Red and 50% White

Spørgsmål 3

3.

In shorthorn cattle, color shows Co-Dominance. A red cow has the genotype RR. A white cow has the genotype WW. Heterozygous cattle are called Roan (red and white spotted) (RW).
Cross a red bull with a white cow. What are the expected phenotypic outcomes?
Show a Punnett square to support your answer!!!

25% Red, 50% Roan, and 25% White

75% Red and 25% White

50% Red and 50% White

100% Roan

50% Red and 50% Roan

Spørgsmål 4

4.

In shorthorn cattle, color shows Co-Dominance. A red cow has the genotype RR. A white cow has the genotype WW. Heterozygous cattle are called Roan (red and white spotted) (RW).
Cross a roan bull with a white cow. What are the expected phenotypic outcomes?
Show a Punnett square to support your answer!!!

50% Roan and 50% White

75% Red and 25% White

25% Red, 50% Roan, and 25% White

50% Red and 50% White

100% Roan